Home / 82,204.04-113,441.64-57,068.12

Finding the Fourth Proportional to 82,204.04, 113,441.64 and 57,068.12

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Solution

The fourth proportional to 82,204.04, 113,441.64 and 57,068.12 is: 78,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,204.04 : 113,441.64 = 57,068.12 : x
  2. Step 2: Convert to fraction form
    82,204.04/113,441.64 = 57,068.12/x
  3. Step 3: Cross multiply
    82,204.04x = 113,441.64 × 57,068.12
  4. Step 4: Simplify right side
    82,204.04x = 6,473,901,124.52
  5. Step 5: Solve for x
    x = 6,473,901,124.52/82,204.04
  6. Step 6: Final answer
    x = 78,754.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.